由于抗议人数远超过当局预期，示威区无法容纳抗议人群，警方被迫封锁道路以维持秩序，甚至动用胡椒喷雾镇压

Google
Protest the number of far more than the authorities expected the demonstration area can not accommodate the protesters and police were forced to blockade the roads in order to maintain order, even the use of pepper spray suppression

Bing
As the number of protests far exceeded expectations, the demonstration area cannot accommodate the protesting crowd, police was forced to blockade roads to maintain order, and even the use of pepper spray suppression